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Finding the Fourth Proportional to 32,666.92, 48,938.70 and 19,300.03

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Solution

The fourth proportional to 32,666.92, 48,938.70 and 19,300.03 is: 28,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,666.92 : 48,938.70 = 19,300.03 : x
  2. Step 2: Convert to fraction form
    32,666.92/48,938.70 = 19,300.03/x
  3. Step 3: Cross multiply
    32,666.92x = 48,938.70 × 19,300.03
  4. Step 4: Simplify right side
    32,666.92x = 944,518,378.16
  5. Step 5: Solve for x
    x = 944,518,378.16/32,666.92
  6. Step 6: Final answer
    x = 28,913.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.